Radiant energy – Invisible radiant energy responsive electric signalling – With heating of luminophors
Patent
1985-04-09
1988-02-23
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
With heating of luminophors
250328, G01T 1115
Patent
active
047272538
ABSTRACT:
A TLD card reader comprising infeed and outfeed carousels for sequentially indexing cartridge holders for stacks of TLD cards to infeed and outfeed stations, and a shuttle transport for sequentially transferring TLD cards from the infeed station to a card read station and then to the outfeed station. At the read station plural photomultiplier tubes are mounted in opposition to respective hot fingers which are independently adjustable along three axes as well as independently biased for engagement with respective TL elements in a TLD card. For photomultiplier tube calibration a shuttle assembly is operable to move reference lights into the path of the shuttle transport for alignment with respective photomultiplier tubes. A light seal of star-like cross-section also is provided to seal the shuttle passageway at the read station. Also disclosed is a TLD card reader that does not require removal of the cards from their holders and which comprises a holder transport for successively transferring holders from an infeed to an outfeed station and a TLD card transport including flexible tongues for transferring a card from a holder to a read station and then back to the holder.
REFERENCES:
patent: 3348418 (1967-10-01), Utting et al.
patent: 3614429 (1971-10-01), Perry
patent: 3725659 (1973-04-01), Culley
patent: 3792277 (1974-02-01), Yamashita et al.
patent: 3809901 (1974-05-01), Szalanczy et al.
patent: 4303857 (1981-12-01), Inoue et al.
Brochure entitled PANASONIC "New TLD TL Badge System", TL Badge Model UD-800A Series.
Brochure entitled PANASONIC "New TLD TL Badge System", TL Badge: Model UD-800 Series.
Brochure entitled PANASONIC "New TLD Access Control System".
Brochure entitled "Harshaw TLD System", Aug., 1982.
Brochure entitled "Model 2271 Automated TLD System".
Brochure entitled "AUTOLEDO Automatic TLD Reader".
Catalog, Pitman Products; Complete Short-Form Catalogue of Equipment.
Bruml William
Newberry Eric
Shrader Erwin F.
Harshaw/Filtrol Partnership
Howell Janice A.
Porta David P.
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